伺服电动机的时间常数分析

:2005-08-12莫会成(,710077):,,:;;;:TM383.4:A:1001-6848(2006)01-0003-03AnalysisOnServoMotorTimeConstantMOHui-cheng(Xi'anMicromotorsResearchInstitute,Xi'an710077)ABSTRACT:UserDemandsonmotioncontrolsystemisincreased,whichmakeifimportanttoindicatetimeconstantofservomotordynamicperformancecharacter.Inthepaper,therariationlawsofmechanicaltimeconstantisanalyzed,aswellastherelationshipofelectricaltimeconstantandelectromechanictimeconstant.KEYWORDS:Servomotor;Mechanicaltimeconstant;Electricaltimeconstant;electromechanictimeconstant0emme,,,GB/T2900,,me,63.2%,em,,mem,,m,,,,em,,1,:U=Ri+Ldidt+KeTem=TL+B+JddtTem=Kti(1),U,i,R,L,J,,Tem,TL,B,Kt,Ke,TL=0,,(1):U=RJKtddt+LJKtd2dt2+Ke(2)e=LR,m=RJKeKt(2):emd2dt2+mddt+=0(3)3,0=UKe,(3),,,,,(3),:emP2+mP+1=0(4):P12=-12e1-4em2e(5),,=0(3):=0+C1ep1t+C2ep2t(6),(1):i=JKeddt=C1P1ep1t+C2P2eP2t(7),C1C2,:(0)=0ddt(0)=0(6):C1=P2P1-P20C2=-P1P1-P20(8)(8)(6):=0-0P2-P1(P2ep1t-P1eP2t)(9)2,,,,,(5)(9):=01-e-12et21-4em1+1-4eme1-4em2et-1-1-4eme-1-4em2et(10),,em,K=4em,(10):=01-limK01+1-K21-Ke1-K-12et+limK01-1-K21-Ke-1-K+12et=01-limK01+1-K21-Ke1-K-1K2mt=01-e-1mt(11):i=Ke0Re-1mt(12),,t=m,63.2%,(m)=0.6320e,(1)1Ldidt=0,,11,K=4em,120,0.0614.96,K03em,mm,(9)(9),,,K=4em=1,(4),(10):=01-1+12ee-12et=01-1+2mte-1m/2t(13)(7):i=2Ke0Rte-12et(14)42006391(148)(11),,,=1-1e0:1+2mte1-2mt-1=0(15),:me1.08m4.3e(16)4em,10%,mme1SANYODENK1P10B13050BXSP10B13100BXSP10B13150BXSP10B18200BXSP10B18350BXSP10B18450BXSP10B18550BXSe(ms)3.24.55.37.58.81112m(ms)9.05.94.96.34.93.73.4K=4em1.43.14.34.87.211.914.1ParkerSM230ASM230BSM231ASM231BBE161CBE161DBE161EBE162Ce(ms)0.270.250.310.302.813.102.923.18m(ms)18.319.99.512.21.41.31.40.9K=4em0.060.050.10.18.029.538.3414.13A040-10B055-10C075-10D100-10E150-10E400-30A50-30D120-30e(ms)3.3253.7134.0384.2544.9104.9102.6766.533m(ms)4.4843.5302.8242.4901.6551.9972.0121.747K=4em2.974.215.726.8311.879.835.3214.96K=4em1,=12e,=K-12e,0=2+2=1me=arctg=arctgK-1(17):P1=-0e-j,P2=-0ej(17)(9),=01-0sin(t+)=01-KK-1e-12etsinK-12et+arctgK-1(18):i=m2LKe0KK-1e-12etsinK-12et+arctgK-1-cosK-12et+arctgK-1(19)(18),00,11K=4em10,0.6320,0.6320,1,(12)5,,[1]GuQishan,GaoHongzhan.AirgapfieldforPMelectricmachines[J].ElectricMachinesandPowerSystems,1985,(10):459-470.[2],,,.[J].,1999,32(4):48-49.[3],,.[J].,2000,30(6):540-546.[4].[M].:,2002.[5],.[M].:,1999.[6].[M].:,1999.:(1980-),,,,(5),,0(18)K1,mee4.3K,mee,K,1,,(13)(16)(18),:,em=m,4em,me4.3,e1.08m4em,me4.3ee4,emme,,,,,RLKtKe,(1)[1].[M].:,2000.[2],.[M].:,2004.:(1962-),,,,,,(8),,,[1]ZhongL,RahmanM,HuW,etal.AnalysisofDirectTorqueControlinPermanentSynchronousMotorDrives[J].IEEETransonPowerElectrionics,1997,12(3):528-536[2].[M].:,1999.[3],.[J].,2005(3):2-9.[4].[J].,2004(7):24-27.[5],,.[J].,2004(67):19-20.[6],.[J].,2003(2):19-21.:,,,122006391(148)